An Equivalent Calculation Method for Pole-to-Ground Fault Transient Characteristics of Symmetrical Monopolar MMC Based DC Grid
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DOI: 10.1109/access.2020.3006028
Abstract: The pole-to-ground fault is one of the most typical faults in modular multilevel converters (MMCs) based DC grid. Analyzing the transient characteristics of fault voltages and currents is of great significance for fault identification, configuration… read more here.
Keywords: based grid; method; fault; pole ground ... See more keywords
Pole-to-Ground Fault Analysis and Fast Protection Scheme for HVDC Based on Overhead Transmission Lines
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DOI: 10.3390/en10071059
Abstract: Flexible direct current (DC) transmission network technology is an effective method for large capacity clean energy access to power grids, but the DC short-circuit fault detection for it is a difficult problem. In this paper,… read more here.
Keywords: protection scheme; fault; transmission; scheme ... See more keywords
Single Pole-to-Ground Fault Analysis of MMC-HVDC Transmission Lines Based on Capacitive Fuzzy Identification Algorithm
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DOI: 10.3390/en13020319
Abstract: The probability of a single pole-to-ground fault in high voltage direct current (HVDC) transmission lines is relatively high. For the modular multilevel converter HVDC (MMC-HVDC) systems, when a single pole-to-ground fault occurs, the fault current… read more here.
Keywords: fault; single pole; ground fault; pole ground ... See more keywords